<!--  -->
<template>
  <div class="search-history">
    <van-cell title="搜索历史">
      <div v-if="isDeleteShow">
        <span @click="$emit('clear-search-histories')">全部删除</span>
        <span @click="isDeleteShow=false">完成</span>
      </div>
      <van-icon
        v-else
        name="delete-o"
        @click="isDeleteShow=true"
      ></van-icon>
    </van-cell>
    <van-cell
      v-for="(item, index) in searchHistories"
      :key="index"
      :title="item"
      @click="onSearchItemClick(item,index)"
    >
      <van-icon
        v-show="isDeleteShow"
        name="close"
      ></van-icon>
    </van-cell>
  </div>
</template>

<script>
export default {
  name: 'SearchHistory',
  components: {},
  props: {
    // Prop 数据
    // 如果是普通数据(数组，字符串，布尔值) 绝对不能修改
    // 即便改了也不会传导到父组件
    // 如果是引用类型数据(数组，对象)
    // 可以修改，例如 [] push
    // 不能重新修改
    searchHistories: {
      type: Array,
      required: true
    }
  },
  data () {
    return {
      isDeleteShow: false // 控制删除显示状态
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    onSearchItemClick (item, index) {
      if (this.isDeleteShow) {
        // 删除状态， 删除历史记录
        this.searchHistories.splice(index, 1)
      } else {
        // 非删除状态，直接进入搜索
        this.$emit('search', item)
      }
    }
  }
}
</script>
<style lang='less' scoped>
</style>
